KR890701186A - Treatment of Permeable Membranes - Google Patents

Treatment of Permeable Membranes

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Publication number
KR890701186A
KR890701186A KR1019890701242A KR890701242A KR890701186A KR 890701186 A KR890701186 A KR 890701186A KR 1019890701242 A KR1019890701242 A KR 1019890701242A KR 890701242 A KR890701242 A KR 890701242A KR 890701186 A KR890701186 A KR 890701186A
Authority
KR
South Korea
Prior art keywords
permeable membrane
prepared according
hollow fiber
membrane prepared
membrane
Prior art date
Application number
KR1019890701242A
Other languages
Korean (ko)
Inventor
빅슨 벤자민
지글리아 살베토어
Original Assignee
티오티 엔.비숍
유니온 카바이드 코포레이션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 티오티 엔.비숍, 유니온 카바이드 코포레이션 filed Critical 티오티 엔.비숍
Publication of KR890701186A publication Critical patent/KR890701186A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0083—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/10—Supported membranes; Membrane supports
    • B01D69/107—Organic support material
    • B01D69/1071—Woven, non-woven or net mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12—Composite membranes; Ultra-thin membranes
    • B01D69/1213—Laminated layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/12—Cellulose derivatives
    • B01D71/14—Esters of organic acids
    • B01D71/16—Cellulose acetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
    • B01D71/401—Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate
    • B01D71/4011—Polymethylmethacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/08—Specific temperatures applied
    • B01D2323/081—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/10—Specific pressure applied
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

내용 없음No content

Description

투과성 막의 처리Treatment of Permeable Membranes

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

첨부도면은 본 발명의 방법에 따라 달성된 예상치 못한 결과들을 그래프로 예시한다. 도면에 있어서의 데이타는 비교실시예 및 실시예 1 및 2로부터 유도된것이고 25℃의 온도 및 100psig의 압력에서 공기중에서 기체들의 분리와 관련된 것이다. 모든 경우에 있어서, 산소와 질소 사이의 산소분리를 위한 선택율은 약 3.8이었다.The accompanying drawings graphically illustrate the unexpected results achieved according to the method of the present invention. The data in the figures are derived from Comparative Examples and Examples 1 and 2 and related to the separation of gases in air at a temperature of 25 ° C. and a pressure of 100 psig. In all cases, the selectivity for oxygen separation between oxygen and nitrogen was about 3.8.

Claims (16)

기체분리에 이용된 기체분리 막의 투과 성능을 향상하기 위한 방법에 있어서, 약 50℃ 내지 140℃의 온도에서 투과율을 향상하기에 충분한 시간동안 상기의 투과성 막을 열처리하는 것을 특징으로 하는 기체분리막의 투과성능을 향상하기 위한 방법.A method for improving the permeation performance of a gas separation membrane used for gas separation, wherein the permeation membrane of the gas separation membrane is heat-treated at a temperature of about 50 ° C. to 140 ° C. for a sufficient time to improve the permeability. How to improve. 제 1 항에 있어서, 온도가 약 80℃ 내지 약 140℃인 것을 특징으로 하는 방법.The method of claim 1 wherein the temperature is from about 80 ° C. to about 140 ° C. 7. 제 1 항에 있어서, 온도가 약 100℃ 내지 약 125℃인 것을 특징으로 하는 방법.The method of claim 1 wherein the temperature is from about 100 ° C. to about 125 ° C. 3. 제 2 항에 있어서, 상기의 투과성막이 복합중공섬유막으로 이루어진 것을 특징으로 하는 방법.3. The method according to claim 2, wherein the permeable membrane is made of a composite hollow fiber membrane. 제 4 항에 있어서, 상기의 복합중공섬유막이 막형성 재료로 코팅된 다공질 중공섬유 기판으로 이루어진 것을 특징으로 하는 방법.The method according to claim 4, wherein the composite hollow fiber membrane is made of a porous hollow fiber substrate coated with a film forming material. 제 5 항에 있어서, 상기 투과성막의 다공질 중공섬유 기판이 폴리술폰인 것을 특징으로 하는 방법.6. The method of claim 5, wherein the porous hollow fiber substrate of the permeable membrane is polysulfone. 제 5 항에 있어서, 상기 투과성막의 막형성재료가 에틸 셀룰로오스인 것을 특징으로 하는 방법.6. The method according to claim 5, wherein the film forming material of the permeable membrane is ethyl cellulose. 제 1 항에 있어서, 상기의 열처리가 아대기압에서 수행되는 것을 특징으로 하는 방법.The method of claim 1 wherein said heat treatment is performed at subatmospheric pressure. 제 1 항에 있어서, 상기의 열처리가 초대기압에서 수행되는 것을 특징으로 하는 방법.The method according to claim 1, wherein the heat treatment is performed at superatmospheric pressure. 제 2 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 2. 제 4 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 4. 제 5 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 5. 제 6 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 6. 제 7 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 7. 제 8 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 8. 제 9 항의 방법에 따라 제조된 투과성막.A permeable membrane prepared according to the method of claim 9. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890701242A 1987-11-02 1988-10-31 Treatment of Permeable Membranes KR890701186A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/115,927 US4877421A (en) 1987-11-02 1987-11-02 Treatment of permeable membranes
US115,927 1987-11-02
PCT/US1988/003800 WO1989004200A1 (en) 1987-11-02 1988-10-31 Treatment of permeable membranes

Publications (1)

Publication Number Publication Date
KR890701186A true KR890701186A (en) 1989-12-19

Family

ID=22364196

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890701242A KR890701186A (en) 1987-11-02 1988-10-31 Treatment of Permeable Membranes

Country Status (10)

Country Link
US (1) US4877421A (en)
EP (2) EP0338074B1 (en)
JP (2) JPH0661433B2 (en)
KR (1) KR890701186A (en)
BR (2) BR8807280A (en)
CA (1) CA1323475C (en)
DE (1) DE3883966T2 (en)
ES (1) ES2013808A6 (en)
MX (1) MX165343B (en)
WO (2) WO1989004200A1 (en)

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Also Published As

Publication number Publication date
DE3883966D1 (en) 1993-10-14
JPH02502084A (en) 1990-07-12
EP0354937B1 (en) 1994-06-22
WO1989004201A1 (en) 1989-05-18
BR8807280A (en) 1990-02-13
BR8807279A (en) 1990-02-13
JPH0661433B2 (en) 1994-08-17
WO1989004200A1 (en) 1989-05-18
EP0338074A1 (en) 1989-10-25
US4877421A (en) 1989-10-31
EP0338074B1 (en) 1993-09-08
MX165343B (en) 1992-11-05
EP0354937A1 (en) 1990-02-21
CA1323475C (en) 1993-10-26
DE3883966T2 (en) 1994-01-05
ES2013808A6 (en) 1990-06-01
JPH02502354A (en) 1990-08-02

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